-45.75% is the change from 518 to 281
Calculation steps:
[( 281 - 518 ) ÷ 518] x 100 = -45.75%
Formula
Percentage change = [(281 - 518) / 518] x 100
Subtract the new number by the original number
281 - 518 = -237
-237 ÷ 518 = -0.4575289575289575
-0.4575289575289575 x 100 = -45.75%